The truth about fluoride: Is it a cavity fighter or health foe? Fluoride is present in dental products such as toothpaste and mouthwash, protecting teeth from cavities and preventing bacteria in the ...

Scientists have urged expectant mothers to avoid drinking unfiltered tap water after finding a link between fluoride exposure and disruptions to fetal brain development. Since 1962, the United States ...

Bleach Add a teaspoon of unscented household bleach (5 millilitres of a 3.5% sodium hypochlorite solution) to 25 litres of ...

A science video maker in China couldn’t find a good explanation for why hot and cold water sound different, so he did his own research and published it. By Sam Kean Most people are quite good at ...